#include <stdio.h>
void main()
{
    printf("please input a number varies from 10 to 99:");
    int n;
    scanf("%d",&n);
    int unit,tens;
    unit=n%10;
    tens=n/10;
    if(unit*tens>unit+tens)
        printf("%d",n);
    else
        printf("According to the rule,there is no output.\n");
}
